jQuery中$.grep() 过滤函数 数组过滤

<pre code_snippet_id="1998964" snippet_file_name="blog_20161122_1_1873395" name="code" class="html">var = $.grep([1,32,5,63,8,4,-8,-5,2,56,9,62,-6],function (n , i){
if(n>50){
return n;
}
});
console.log(test);

var = $.grep([1,32,5,63,8,4,-8,-5,2,56,9,62,-6],function (n , i){
if(n>50){
return n;
}
}，true);
console.log(test);
---->[63,56,62]

var = $.grep([1,32,5,63,8,4,-8,-5,2,56,9,62,-6],function (n , i){
if(n>50){
return n;
}
}，false);
console.log(test);
---->[1,32, 5,8,4,-8,-5,2,9,-6]